Summary
schel.ac.ru is delegated to two nameservers, however one delegated nameserver is missing in the zone and three other nameservers are listed. Two of them are on the same IP network.
ac.ru,
orh.ru,
ode.ru,
iis.ru,
edu.ru and at least 45 other hosts share nameservers with this domain.
lyc.schel.ac.ru are subdomains to this hostname.
ac.ru is a domain controlled by five nameservers. All of them are on different IP networks.